20151+3820 SLE 977

 
 
20h 15m 06.80s +38 19' 55.7" P.A. 279 sep 7.3 mag 12.40,12.50
 
 
Coord 2000
20151+3820
Discov num
SLE 977
Comp
Coord arcsec 2000
20 15 06.80 +38 19 55.7
Date first
1985
Date last
2015
Obs
8
Pa first
276
Pa last
279
P.A. Now (θ)
279°
Sep first
7.2
Sep last
7.3
Sep. Now (ρ)
7.3"
Mag pri
12.40
Mag sec
12.50
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+007
Sec motion ra
-001
Pri motion dec
-003
Sec motion dec
-009
Notes
rPM=1.104
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.8
Precise sep
7.255
Constellation
Cygnus
Tycho2
3151-02143-1
Gaia DR2
20821362816
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20151+3820 SLE 977 1998 2 280 7.2 12.40 12.50 D 201506.80+381955.7
20151+3820 SLE 977 2002 3 279 7.3 12.40 12.50 D 201506.80+381955.7
20151+3820 SLE 977 2015 4 279 7.3 12.40 12.50 201506.80+381955.7

If you need more information about this double, apply for a data request form to the WDS.